BCM Scan Tool Data Definitions
Front Wiper Switch: The scan tool displays ON or OFF. When the
windshield wiper/washer  switch is turned to the mist, wash, low, or high positions
the scan tool displays  ON. When the switch is turned to the delay positions from
low the scan tool  continues to display ON. Anytime the switch is in the off position
the scan  tool displays OFF.
Headlamp Wash: The scan tool displays ON or OFF. While the headlamp
washer switch  is pressed the scan tool displays ON, when the switch is released the
scan   tool displays OFF.
Rear Washer Requested: The scan tool displays YES or NO. While
the rear washer switch  is pressed the scan tool displays YES, when the switch is
released the scan   tool displays NO.
LGM Scan Tool Data List
Rear Washer Requested: The scan tool displays YES or NO. While
the rear washer switch  is pressed the scan tool displays YES, when the switch is
released the scan   tool displays NO.
Rear Wiper Mode: The scan tool displays OFF, DELAY 1, DELAY
2, ON, or WASH. The  scan tool displays the commanded state of the rear wiper motor
by the liftgate  control module.
Requested Rear Wiper: The scan tool displays OFF, DELAY 1, DELAY
2, ON, or WASH. The  scan tool displays the current rear wiper switch position determined
by the   switch position data received by the liftgate control module from body control
 module.
Liftgate Ajar Switch: The scan tool displays the state of the
switch.
Liftglass Ajar Switch: The scan tool displays the state of the
switch.